680923332 has 36 divisors (see below), whose sum is σ = 1723519980. Its totient is φ = 226671552.

The previous prime is 680923301. The next prime is 680923333. The reversal of 680923332 is 233329086.

It can be written as a sum of positive squares in 2 ways, for example, as 68657796 + 612265536 = 8286^2 + 24744^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (680923333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15594 + ... + 40062.

It is an arithmetic number, because the mean of its divisors is an integer number (47875555).

Almost surely, 2^680923332 is an apocalyptic number.

It is an amenable number.

680923332 is an abundant number, since it is smaller than the sum of its proper divisors (1042596648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680923332 is a wasteful number, since it uses less digits than its factorization.

680923332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25252 (or 25247 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 680923332 is about 26094.5076979812. The cubic root of 680923332 is about 879.7637675129.

The spelling of 680923332 in words is "six hundred eighty million, nine hundred twenty-three thousand, three hundred thirty-two".